China Rejecting U.S. Corn as First Shipment From Ukraine ArrivesBloomberg News China continued to reject corn cargoes from the U.S. that contained an unapproved genetically modified variety while accepting a first bulk-carrier shipment of the grain from Ukraine. Genetically modified corn and corn-derived products totaling 601,000 metric tons were rejected in 2013, the official Xinhua News Agency reported today, citing the General Administration of Quality Supervision, Inspection and Quarantine.